Acura CSX. Manual — part 515
02
22-110
Multiplex Integrated Control System
UNDER-DASH FUSE/RELAY BOX CONNECTOR K (8P)
PNK
BLK
UNDER-DASH FUSE/RELAY BOX CONNECTOR T (34P)
4. Inspect the connector and socket terminals to be sure they are all making good contact.
• If the terminals are bent, loose or corroded, repair them as necessary and recheck the system.
• If the terminals look OK, go to step 5.
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Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result is
not obtained
Cavity
Wire
Test condition
Test: Desired result
Possible cause if desired result is
not obtained
22-111
5. With the connector still disconnected, do these input tests at the following connectors.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, go to step 6.
•
•
•
•
•
•
G2
ORN
Under all conditions
Measure the voltage to ground:
There should be battery voltage.
Blown No. 23 (10 A) fuse in the
under-hood fuse/relay box
An open in the wire
K4
PNK
Under all conditions
Attach to ground:
The ceiling light should come
on.
Blown No. 22 (7.5 A) fuse in the
under-hood fuse/relay box
Blown bulb(s)
Faulty ceiling light
An open in the wire
6. Reconnect the connectors to the under-dash fuse/relay box, and do these input tests at the following connectors.
• If any test indicates a problem, find and correct the cause, then recheck the system.
• If all the input tests prove OK, the MICU must be faulty; replace the under-dash fuse/relay box.
•
•
•
•
•
•
•
•
E6
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G602)
An open in the wire
E33
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G601)
An open in the wire
F20
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G401)
An open in the wire
T34
BLK
Under all conditions
Measure the voltage to ground:
There should be less than 0.5 V.
Poor ground (G501)
An open in the wire
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*01
SNR9A00J46643400000DAAT00
22-112
Keyless/Power Door Locks/Security System
Component Location Index
NAVIGATION UNIT or
AUDIO UNIT
IMMOBILIZER-KEYLESS
CONTORL UNIT
(With built-in receiver)
SECURITY INDICATOR
GAUGE CONTORL MODULE
(SPEEDO)
HEADLIGHT
HOOD SWITCH
MICU
(Built into the under-
dash fuse/relay box)
HORN
TRANSMITTER
LOCK BUTTON
TRUNK BUTTON
UNLOCK BUTTON
IGNITION KEY
PANIC BUTTON
Symptom Troubleshooting,
page 22-126
Replacement,
page 22-332
Replacement, page 22-174
Adjustment, page 22-173
Bulb Replacement, page 22-177
Test, page 22-141
Input Test, page 22-131
Test/Replacement, page 22-146
Test/Replacement, page 22-142
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*02
*03
22-113
LEFT REAR DOOR LOCK
ACTUATOR/
KNOB SWITCH
DRIVER’S DOOR KEY CYLINDER SWITCH
DRIVER’S DOOR LOCK SWITCH
(Built into the power
window master switch)
DRIVER’S DOOR LOCK
ACTUATOR/
KNOB SWITCH
TRUNK LID RELEASE ACTUATOR/
LATCH SWITCH
LEFT REAR DOOR SWITCH
IGNITION KEY SWITCH
DRIVER’S DOOR
SWITCH
RIGHT REAR DOOR LOCK
ACTUATOR/KNOB SWITCH
FRONT PASSENGER’S
DOOR SWITCH
FRONT PASSENGER’S DOOR
LOCK ACTUATOR/KNOB SWITCH
FRONT PASSENGER’S
DOOR LOCK SWITCH
RIGHT REAR DOOR SWITCH
LICENSE PLATE LIGHTS
INNER TAILLIGHT
TAILLIGHT
Actuator Test,
page 22-137
Knob Switch Test,
page 22-138
Test, page 22-140
Replacement, page 20-9
Test, page 22-139
Acutuator Test,
page 22-137
Knob Switch Test,
page 22-138
Actuator Test, page 22-141
Latch Switch Test, page 22-200
Test, page 22-207
Actuator Test, page 22-137
Knob Switch Test, page 22-138
Actuator Test, page 22-137
Knob Switch Test, page 22-138
Test, page 22-139
Replacement, page 22-139
Replacement,
page 22-180
Replacement,
page 22-179
Replacement, page 22-179
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